firewalld: fix typo in [pygobject3]

component/firewalld/buildout.cfg

@@ -83,7 +83,7 @@ environment =
 recipe = slapos.recipe.cmmi
 url = http://ftp.gnome.org/pub/gnome/core/3.22/3.22.2/sources/pygobject-3.22.0.tar.xz
 python-egg = ${buildout:parts-directory}/${:_buildout_section_name_}/lib/python2.7/site-packages
- md5sum = ed4117ed5d554d25fd7718807fbf819f
+md5sum = ed4117ed5d554d25fd7718807fbf819f
 pre-configure =
   sed -i 's#/usr/local#${gobject-introspection:location}#g' ${gobject-introspection:location}/lib/pkgconfig/gobject-introspection-1.0.pc
 configure-options =